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ES139895A1 - Air valve system for masks. - Google Patents

Air valve system for masks.

Info

Publication number
ES139895A1
ES139895A1 ES139895A ES139895A ES139895A1 ES 139895 A1 ES139895 A1 ES 139895A1 ES 139895 A ES139895 A ES 139895A ES 139895 A ES139895 A ES 139895A ES 139895 A1 ES139895 A1 ES 139895A1
Authority
ES
Spain
Prior art keywords
masks
air valve
valve system
air
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES139895A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Industrial Quim Y De Proteccion S A
Original Assignee
Industrial Quim Y De Proteccion S A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Industrial Quim Y De Proteccion S A filed Critical Industrial Quim Y De Proteccion S A
Priority to ES139895A priority Critical patent/ES139895A1/en
Publication of ES139895A1 publication Critical patent/ES139895A1/en
Expired legal-status Critical Current

Links

ES139895A 1935-10-19 1935-10-19 Air valve system for masks. Expired ES139895A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES139895A ES139895A1 (en) 1935-10-19 1935-10-19 Air valve system for masks.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES139895A ES139895A1 (en) 1935-10-19 1935-10-19 Air valve system for masks.

Publications (1)

Publication Number Publication Date
ES139895A1 true ES139895A1 (en) 1936-01-01

Family

ID=65616935

Family Applications (1)

Application Number Title Priority Date Filing Date
ES139895A Expired ES139895A1 (en) 1935-10-19 1935-10-19 Air valve system for masks.

Country Status (1)

Country Link
ES (1) ES139895A1 (en)

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